git: openjdk/jdk17u-dev: 8326936: RISC-V: Shenandoah GC crashes due to incorrect atomic memory operations

[Fei Yang]

Changeset: 30a9a217
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2024-04-19 09:39:25 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/30a9a2177bbafa1bed2e2fb4d491dd9d9c8df61c

8326936: RISC-V: Shenandoah GC crashes due to incorrect atomic memory operations
8316186: RISC-V: Remove PlatformCmpxchg<4>
8330242: RISC-V: Simplify and remove CORRECT_COMPILER_ATOMIC_SUPPORT in atomic_linux_riscv.hpp

Reviewed-by: fyang
Backport-of: a089ed2b9289eeda73bba47ac87e5bc81a4af9dc

! src/hotspot/os_cpu/linux_riscv/atomic_linux_riscv.hpp